#!/bin/sh export PORT=2233 export webClient=http://localhost:5000 function run(){ nohup yarn start & pid=`findPortPid $PORT` touch $pid.log && chmod +x $pid.log } if [ -e *.log ] then pid=`stat *.log|awk 'NR>1{next}{c=$0;gsub(/\D/,"",c);print c}'` kill -9 pid if [ $? -eq 0 ] then echo 'kill $pid success' rm -f *.log run else echo 'kill $pid error' fi else run fi